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> Characiformes (Characins) > Hemiodontidae (Halftooths)
Etymology: Hemiodus: Greek, hemi = half + Greek, odous = teeth (Ref. 45335).

Issue
See Langeani (1999: 719) for detailed description, figure, and comparison with other species.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: Araguaia and Tocantins River basins in Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 16.0 cm SL Männchen/unbestimmt; (Ref. 126097); max. veröff. Gewicht: 28.00 g (Ref. 126097)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 10 - 11; Afterflossenweichstrahlen: 10 - 11. Distinguished from all other Hemiodus species, except H. ternetzi and H. thayeria, by the presence of a dark longitudinal stripe extending from behind the eye or the opercle to the tip of the lower caudal fin lobe. This species is distinguished from H. ternetzi and H. thayeria by the possession of a dorsal fin oblique blotch, extending from its anterior distal portion through the middle basal portion of the fin.

Oviparous (Ref. 205).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Distinct pairing (Ref. 205).

Hauptreferenz Upload your references | Referenzen | Koordinator : Langeani, Francisco | Partner

Langeani, F., 1999. New species of Hemiodus (Ostariophysi, Characiformes, Hemiodontidae) from the Rio Tocantins, Brazil, with comments on color patterns and tooth shapes within the species and genus. Copeia 1999(3):718-722. (Ref. 31397)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00363 - 0.03629), b=2.93 (2.68 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.7 ±0.3 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Hemiodus tocantinensis Langeani, 1999